Home / 8,056.08-12,072.78-6,405.30

Finding the Fourth Proportional to 8,056.08, 12,072.78 and 6,405.30

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Solution

The fourth proportional to 8,056.08, 12,072.78 and 6,405.30 is: 9,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.08 : 12,072.78 = 6,405.30 : x
  2. Step 2: Convert to fraction form
    8,056.08/12,072.78 = 6,405.30/x
  3. Step 3: Cross multiply
    8,056.08x = 12,072.78 × 6,405.30
  4. Step 4: Simplify right side
    8,056.08x = 77,329,777.73
  5. Step 5: Solve for x
    x = 77,329,777.73/8,056.08
  6. Step 6: Final answer
    x = 9,598.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.